# CamJam EduKit 3 - Robotics # Worksheet 4 - Driving and Turning import time # Import the Time library from gpiozero import CamJamKitRobot # Import the GPIO Zero Library CamJam library robot = CamJamKitRobot() robot.forward() time.sleep(1) # Pause for 1 second robot.backward() time.sleep(1) robot.left() time.sleep(0.5) # Pause for half a second robot.right() time.sleep(0.5) robot.stop()
#import libraries
from gpiozero import CamJamKitRobot #if you don't have this board switch this with Robot
from contours import get_saturated_colors, setup_camera #import from the contours program
#Setup the robot, and camera function
#These are the instructions if you don't own the CamJam Edukit 3
#Let's say you use the pins 27 and 17 for left and 24 and 23 for right. Then alter it as such:
#robot = Robot(left=(27, 17), right=(24,23))
devastator_robot = CamJamKitRobot()
camera, capture_buffer = setup_camera()
#Set things up for movement
for raw in camera.capture_continuous(capture_buffer, format="bgr"):
image = raw.array
masked, contours, found_color = get_saturated_colors(
image) #This is called from the contours script
print(
f"Color {found_color}, h value: {found_color[0]}"
) #This will print the color name as well as the value in an RBG array
if 5 < found_color[
0] < 40: #This chooses the first value of the array. This chooses values based on the color wheel
print("yellow")
devastator_robot.backward()
elif 100 < found_color[0] < 135:
print("blue")
devastator_robot.forward()
else:
devastator_robot.stop()
capture_buffer.truncate(0)